package com.zh.note.demo.collection;

import java.util.HashMap;
import java.util.Map;

/**
 * @Author: zhanghuan
 * @date: 2025/2/25 23:17
 * @description: create it
 */
public class HashMapDemo {
    public static void main(String[] args) {
        Map<String, Integer> map = new HashMap<>();
    }
}
